Configuration
Function Prompt | Selection or Range of |
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Lower Display | Setting |
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| Definition | ||
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| Upper Display |
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English | Numeric | English | Numeric |
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| Code |
| Code |
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| AUTO | 3 |
| TO | |
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| controller will return to the automatic mode and the | |
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| last setpoint used before shed. | |
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SHD_SP | 1010 |
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| SHED SETPOINT RECALL | |
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| Note: If SHEDENAB=DISABLE, this prompt will not | |
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| be configurable. | |
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| LSP | 0 |
| TO | |
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| setpoint used. | |
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| CSP | 1 |
| TO | |
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| store the last host computer setpoint and use it at | |
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| the Local setpoint. When in “monitor” mode, the | |
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| controller will shed to the last UDC Local or | |
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| Remote setpoint used, and the LSP is unchanged. | |
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UNITS | 1011 | PCT | 0 |
| PERCENT | |
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| EGR | 1 |
| ENGINEERING UNITS | |
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CSRATIO | 1012 |
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| COMPUTER SETPOINT | ||
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| setpoint ratio. | |
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CSP_BI | 1013 |
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| COMPUTER SETPOINT | ||
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| setpoint ratio in Engineering Units. | |
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LOOPBK | 1014 | DIS | 0 |
| LOCAL LOOPBACK tests the communications | |
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| ENAB | 1 |
| hardware. | |
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| into Loopback mode in which it sends and receives | |
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| its own message. The UDC displays PASS or FAIL | |
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| status in the upper display and LOOPBACK in the | |
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| lower display while the test is running. The UDC | |
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| will go into manual mode when LOOPBACK is | |
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| enabled with the output at the Failsafe value. The | |
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| test will run until the operator disables it here, or | |
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| until power is turned off and on. | |
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| The instrument does not have to be |
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| ATTENTION | |
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| connected to | the external communications link in |
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| order to perform this test. If it is connected, only | |
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| one instrument should run the loopback test at a | |
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| time. The host computer should not be transmitting | |
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| on the link while the loopback test is active. | |
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4/07 | UDC2500 Universal Digital Controller Product Manual | 75 |